code: def _mock_download():
      global did_call_download
      did_call_download = True
  
file_path: bokeh/tests/unit/bokeh/command/subcommands/test_sampledata__subcommands.py
imports: from __future__ import annotations
  import pytest
  from bokeh.command.bootstrap import main
  from tests.support.util.types import Capture
  import bokeh.command.subcommands.sampledata
label_desc: Use image node_id 6 for calling a global function with example usage: _mock_download() without return types